Directions:1. Saute sausage in heavy Dutch oven over medium heat until cooked through (about 10 minutes), breaking it up as it browns with a wooden spoon.
2. Using a slotted spoon, transfer sausage to a large bowl. Pour off all but 1 tbsp drippings from Dutch oven. Add onions and garlic to the 1 tbsp drippings and saute about 5 minutes.
3. Return sausage to pan. Add beef stock, tomatoes, tomato sauce, zucchini, carrots, pepper, green beans, basil, and oregano. Simmer 30-40 minutes until vegetables are tender.
4. Add tortellini and cook 8-10 minutes. Season to taste with salt and pepper.
5. Ladle hot soup into bowls and sprinkle with Parmesan cheese.